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Visual screening of Swedish children: an ophthalmological evaluation
G Kvarnström1, P Jakobsson, G Lennerstrand
1Department of Ophthalmology, Linköping University Hospital, Sweden. gunkvarnstrom@hotmail.com
Insights
This Swedish visual screening program effectively identifies childhood eye conditions like ametropia and strabismus. Early detection significantly reduces the prevalence of amblyopia, improving visual outcomes for children.
Area of Science:
- Ophthalmology
- Pediatric Optometry
- Public Health
Background:
- Childhood visual impairments require early detection for effective management.
- Ophthalmological conditions in children can impact development and quality of life.
Purpose of the Study:
- To describe ophthalmological conditions identified through a Swedish visual screening program.
- To evaluate the effectiveness of early detection and treatment of visual disorders in children.
Main Methods:
- Longitudinal retrospective study of 3126 children born in 1982.
- Ocular examinations and visual acuity tests at ages 4, 5.5, 7, and 10 years.
- Gross eye examination before age 4.
Main Results:
- Prevalence: ametropia 7.7%, strabismus 3.1%, organic lesions 0.6%.
- Deep amblyopia reduced from 2% to 0.2% due to screening and treatment.
- Refractive errors and microtropias often detected at age 4; manifest strabismus earlier.
Conclusions:
- Visual screening is effective in detecting pediatric visual and ocular disorders.
- Most conditions are identified before age 6.
- Screening significantly reduces amblyopia prevalence compared to unscreened populations.
Purpose:
This study describes the various ophthalmological conditions detected in the Swedish visual screening program for children.
Methods:
The study was longitudinal and retrospective. All children (3126) born in 1982 in three Swedish municipalities have been followed from birth to ten years of age. Visual acuity was examined at the ages of 4, 5.5, 7 and 10 years. Before the age of 4, a gross examination of the eyes was performed.
Results:
The prevalence of ametropia in the population was 7.7%, the prevalence of strabismus 3.1%, and the prevalence of organic lesions 0.6%. Seven children (0.2%) were visually handicapped (visual acuity
Conclusion:
Visual screening is effective in detecting visual and ocular disorders. Most conditions are discovered before the age of 6. Compared to an unscreened population, the prevalence of amblyopia is greatly reduced.
